.hot_city {
  display: grid;
  grid-template-columns: repeat(3, 0.6fr);
  gap: 10px;
  text-align: center;
}

.post {
  width: 95%;
  height: 30px;
  background: #fff;
  margin: 10px;
  border-radius: 5px;
  line-height: 30px;
}